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1. Solving Allen-Cahn equations with periodic and nonperiodic boundary conditions using mimetic finite-difference operators NSTL国家科技图书文献中心

Orizaga, Saulo |  Gonzalez-Parra, Gilb...... -  《Applied mathematics and computation》 - 2025,484 - 共15页

摘要： heat equation with a variety of boundary conditions | - periodic boundary conditions. The numerical solutions | -Cahn equation with periodic and non-periodic boundary |  conditions. In addition, we also analyze the performance of | In this paper, we investigate and implement a
关键词： Allen-Cahn |  Heat equation |  Periodic boundary conditions |  Non-periodic boundary conditions |  Mimetic operator |  Finite difference
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2. Impact of realistic boundary conditions on CFD simulations: A case study of vehicle ventilation NSTL国家科技图书文献中心

Bode F. |  Joldos T.... -  《Building and environment》 - 2025,267(Jan. Pt.A) - 1.1～1.14 - 共14页

摘要： investigates the impact of realistic boundary conditions on |  simplified boundary conditions to one incorporating |  reveal that using realistic boundary conditions |  detailed boundary condition specification in improving |  conditions. Using a 3D CFD model, airflow patterns were
关键词： CFD |  HVAC duct |  Personalized ventilation |  Realistic boundary conditions |  Vehicle ventilation
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3. A numerical study of the effect of boundary conditions on liquefaction NSTL国家科技图书文献中心

Jagan M.,Padbidri -  《Arabian journal of geosciences》 - 2025,18(3) - 共13页

摘要： is imposed via two boundary conditions, viz. using |  the assembly and for both boundary conditions. The |  initial void ratio and the boundary conditions are found |  that imposes corrective forces on the boundary |  with a greater constraint on the boundary. Further
关键词： Discrete element method |  Liquefaction |  Boundary conditions |  Penalty methods
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4. A discrete sine–cosine based method for the elasticity of heterogeneous materials with arbitrary boundary conditions NSTL国家科技图书文献中心

Paux J. |  Morin L.... -  《Computer Methods in Applied Mechanics and Engineering》 - 2025,433(Jan.1 Pt.A) - 1.1～1.22 - 共22页

摘要： Dirichlet/Neumann boundary conditions. The method is based |  term verifying the boundary conditions and a |  Dirichlet/Neumann boundary conditions. |  fluctuation term, with no contribution on the boundary, and | © 2024 The AuthorsThe aim of this article is
关键词： Dirichlet/Neumann boundary conditions |  Discrete sinecosine transforms |  Elasticity |  FFT-based solvers
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5. On the use of fast projection methods with unsteady velocity boundary conditions NSTL国家科技图书文献中心

Eid, Maher |  Karam, Mokbel... -  《Journal of Computational Physics》 - 2025,521(Pt.1) - 共7页

摘要： with time-dependent boundary conditions. Fast | -dependent boundary conditions were ignored. In this |  boundary conditions for fast-projection methods |  comment, we investigate the effect of unsteady boundary |  conditions on the order of accuracy and demonstrate that
关键词： Pressure projection |  Fast projection methods |  Unsteady boundary conditions |  Incompressible Navier-Stokes |  Runge-Kutta
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6. The 3D Euler equations with inflow, outflow and vorticity boundary conditions NSTL国家科技图书文献中心

Gie, Gung-Min |  Kelliher, James P.... -  《Journal de Mathematiques Pures et Appliquees》 - 2025,193 - 共62页

摘要： impermeable boundary conditions, which constrain the fluid |  derive compatibility conditions to obtain regularity in | The 3D incompressible Euler equations in a |  bounded domain are most often supplemented with |  to neither enter nor leave the domain. We establish
关键词： Euler equations |  Boundary conditions |  Well-posedness |  Injection-suction
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7. Updating complex boundary conditions using latent system internal forces towards structural digital twin models NSTL国家科技图书文献中心

Yuhao Fu |  Jun Liang... -  《Mechanical Systems & Signal Processing》 - 2025,224(Feb.) - 112088.1～112088.26 - 共26页

摘要：Complex boundary conditions pose a significant |  with complex boundary conditions. |  main types of boundary condition complexity, are |  challenge to the construction of digital twin models for |  structures. To tackle it, virtual damper/force has been
关键词： Non-parametric model updating |  Force identification |  Damping |  Complex boundary conditions |  Nonlinear spring |  Unknown system complexity
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8. Weak Solutions and Simulations for a Generalized Phase‐Field Crystal Model With Neumann Boundary Conditions NSTL国家科技图书文献中心

Guomei Zhao |  Fan Wu... -  《Studies in Applied Mathematics》 - 2025,154(3) - n/a～n/a - 共19页

摘要： boundary conditions by employing the Galerkin method. The | ABSTRACT We study a generalized phase‐field |  crystal (GPFC) model, which is a quasilinear parabolic |  equation of sixth‐order for an order parameter. The model |  is used to simulate the microstructure evolution in
关键词： Galerkin method |  generalized phase‐field crystal model |  Neumann boundary conditions |  numerical simulations |  weak solutions
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9. Multi-objective Control for Stochastic Parabolic Equations with Dynamic Boundary Conditions NSTL国家科技图书文献中心

Oukdach, Omar |  Boulite, Said... -  《Journal of Optimization Theory and Applications》 - 2025,204(3) - 共31页

摘要： equations with dynamic boundary conditions. Viewed as a | This paper deals with a hierarchical multi | -objective control problem for forward stochastic parabolic |  game, the players (the controls) are divided into two |  classes: leaders and followers. The leaders aim to drive
关键词： Stochastic parabolic equations |  Stackelberg-Nash strategy |  Observability inequality |  Null controllability |  Carleman estimates |  Dynamic boundary conditions
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10. The Riemann-Hilbert approach for the nonlocal derivative nonlinear Schrödinger equation with nonzero boundary conditions NSTL国家科技图书文献中心

Liu, Xin-Yu |  Guo, Rui -  《ZAMP》 - 2025,76(1) - 共21页

摘要： nonzero boundary conditions is investigated using the | In this paper, the nonlocal reverse space-time |  derivative nonlinear Schr & ouml;dinger equation under |  Riemann-Hilbert (RH) approach. The direct scattering |  problem focuses on the analyticity, symmetries, and
关键词： Riemann-Hilbert approach |  Reverse space-time derivative nonlinear Schr & ouml;dinger equation |  Nonzero boundary conditions
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